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Because light energy is needed for photolysis of water

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Q: Why is light needed for photosynthisis?
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Related questions

Is light necessary for photosynthisis?

Yes


What are the two steps in photosynthisis?

Light reactions and the Calvin Benson Cycle.


What happens during photosynthisis?

plants absorb light to produce sugar which they use as food


What does clorophyll mean?

clorophyll is the green pigment in leaves, it is essential for photosynthisis as it absorbes the sun light


Where does photosynthisis take place?

Photosynthisis takes place in the organell named the chloroplast.


Does the light color affect the plants growth?

yes it grows best because red and blue lights give photosynthisis


What are phoyosynthisis?

more like what is photosynthisis, photosynthisis is when a plant turns sun into energy, cool huh.


What foof does photosynthisis make?

photosynthisis makes glucose (C6H12O6 is the chemicle formula) for the plant to grow.


What are the products and reactants of photosynthisis?

6CO2 + 6H2O + light energy --> C6H12O6 + 6O2 Six carbon dioxide + six water + light energy from the sun results in one glucose and six oxygen.


What are the products of photosynthisis?

Glucose and oxygen


How does starch produce in leaves?

Yes, the calvin cycle can take place in the absence of light. The products of the light reactions if available can drive the calvin cycle in the absence of light. Basically , a plant needs ATP and NADPH to carry on the calvin cycle where sugar is made. CAM plants are able to produce sugar at night.


What cycle involves photosynthisis?

The Carbon cycle.